*{
    margin: 0;
    padding: 0;
}
html,body,.main{
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #fff;
}
.login-content{
    width: 300px;
    height:300px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    background-color: rgba(0,0,0,0.4);
    box-shadow: 0 0 12px #999999;
    padding: 10px 20px;
    z-index: 1;
}
.log{
    width: 100%;
    height: 60px;
    background: url("/static/img/login1.png") no-repeat 0 0;
    background-size: contain;
}
.layui-btn{
    width: 100%;
    font-size: 22px;
    background-color: rgba(0,0,0,0);
    margin-left: 20px;
    /*letter-spacing: 20px;*/
}
.layui-input-block{
    width: 250px;
    margin:0;
    float: left;
}
.layui-input{
    height: 40px;
    border: 0;
    background-color: rgba(0,0,0,0);
}
.username-log,.password-log{
    float: left;
    height: 100%;
    width: 40px;
    text-align: center;
    line-height: 40px;
    background-color: rgba(0,0,0,0);
    color: #999999;
    font-size: 18px;
}
.layui-form-item{
    width: 300px;
    height: 40px;
    margin-top: 20px;
    border: 2px solid #FFFFFF;
    border-radius: 20px;
}

.pg{
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: #339999;
    z-index: 0;
}
.huangying{
    position: absolute;
    top: 20px;
    width: 100%;
    height: 80px;
    background: url("/static/img/huanying.png") no-repeat 0 0;
    z-index: 1;
}
.huangying .help{
    position: absolute;
    z-index: 2;
    right: 40px;
    cursor: pointer;
    font-size: 18px;
}